Used in mainly low-pressure systems, such as oil and water dumps on low-pressure separators, heater treaters, and free water knockouts. Well suited for On/Off situations or throttle control.

Model 4500 • Diaphragm Balanced Motor Valve

Click here for the P4500 Diaphragm Balanced Motor Valve Product Bulletin.


The BelGASCP P4500 series is a diaphragm operated dump valve for control of low-pressure water or oil where 10 PSIG minimum pneumatic signal is available.

• Separators
• Meters
• Water Knockouts

• Diaphragm Balanced Single Seat
• 10 PSIG Minimum Pneumatic Signal
• Simple Repair and Maintenance